CHINESE JOURNAL OF CHEMICAL ENGINEERING
·
2021
·
IF 3.171
Guijia Cui,Hong Wang,Fengping Yu,Haiying Che,Xiaozhen Liao,Linsen Li,Weimin Yang,Zifeng Ma
NASICON-type Na 3 V 2 (PO 4 ) 3 is a promising electrode material for developing advanced sodium-ion batteries. Preparing Na 3 V 2 (PO 4 ) 3 with good performance by a cost-effective and large-scale method is significant for industrial applications. In this work, a porous Na 3 V 2 (PO 4 ) 3 /C cathode material with excellent electrochemical performance is successfully prepared by an agar-gel combined with freeze-drying method. The Na 3 V 2 (PO 4 ) 3 /C cathode displayed specific capacities of 113.4 mAh·g −1 , 107.0 mAh·g −1 and 87.1 mAh·g −1 at 0.1 C, 1 C and 10 C, respectively. For the first time, the 500-mAh soft-packed symmetrical sodium-ion batteries based on Na 3 V 2 (PO 4 ) 3 /C electrodes are successfully fabricated. The 500-mAh symmetrical batteries exhibit outstanding low temperature performance with a capacity retention of 83% at 0 °C owing to the rapid sodium ion migration ability and structural stability of Na 3 V 2 (PO 4 ) 3 /C. Moreover, the thermal runaway features are revealed by accelerating rate calorimetry (ARC) test for the first time. Thermal stability and safety of the symmetrical batteries are demonstrated to be better than lithium-ion batteries and some reported sodium-ion batteries. Our work makes it clear that the soft-packed symmetrical sodium ion batteries based on Na 3 V 2 (PO 4 ) 3 /C have a prospect of practical application in high safety requirement fields.
研究领域:
材料科学
·
能源存储
✓ 已验证
DOI
高影响因子
IONICS
·
2022
·Vol. 28
·期 10
·4631-4639
·
IF 2.961
Huang Hong-bo,Liu Cai-ling,Yang Yue,Luo Shao-hua
Na 3 V 2 (PO 4 ) 3 with NASICON structure is regarded as a hopeful cathode in sodium-ion batteries (NIBs). Nevertheless, the immanently inferior electronic conductivity significantly restricts its electrochemical performance and practical application. In this work, a facile solid-state sintering approach employing citric acid as both the reduction agent and carbon source has been developed to prepared Na 3 V 2 (PO 4 ) 3 /C composite. The influence of different sintering temperatures on the structure, morphology, and electrochemical performance of Na 3 V 2 (PO 4 ) 3 /C for NIBs was systematically investigated. The results indicate that the Na 3 V 2 (PO 4 ) 3 /C sample calcined at 850 °C (NVP/C-850) presents the best electrochemical property among the as-obtained four NVP/C samples studied. The optimized NVP/C-850 composite exhibits a reversible capacity of 117.4 mAh/g at 0.2 C, and after 100 cycles, capacity retention of 94.7% was kept. Besides, among the four electrodes, NVP/C-850 electrode exhibited smallest resistance and highest Na + diffusion coefficient. Thus, the outstanding results demonstrate potential application of the NVP/C for NIBs.
研究领域:
材料科学
·
能源存储与转换
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2022
·
IF 6.371
Hongxia Chen,Yutian Yang,Rihuang Nie,Cheng Li,Shuangwu Xu,Mengcheng Zhou,Xinyu Zhang,Hongming Zhou
Na 3 V 2 (PO 4 ) 3 has been widely studied due to its stable three-dimensional transmission channel structure as a cathode electrode of sodium ion batteries , but its micro particle size and low intrinsic electronic conductivity limit its further development. Therefore, hierarchical porous micro-nano NVP/C materials were successfully prepared using a metal-organic frameworks (MOFs) precursor. Because of the unique hierarchical porous micro-nano structure, 3D highly conductive network between surface and particles, and high specific surface area, M-NVP/C exhibits outstanding rate capability (95.0 mAh g −1 at a current density of 10 C) and extraordinary stable cycle life (the capacity decays from 111.2 mAh g −1 to 108.8 mAh g −1 after 500 cycles at 1 C, with a capacity retention rate of 97.8 %). This method provides a promising pathway for the application of MOFs in battery materials and promotes the development of SIBs in large-scale energy storage systems.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
高影响因子
DALTON TRANSACTIONS
·
2023
·Vol. 52
·期 15
·4708-4716
·
IF 4
Zhaoyang Wang,Jiaxuan Han,Dong Wang,Lingyang Liu,Wenjing Shi,Fangyu Xiong,Haizheng Tao
Na3V2(PO4)3 (NVP) is regarded as one of the most promising cathode materials for sodium-ion batteries (SIBs). However, it suffers from a dense bulk structure and low intrinsic electronic conductivity, which lead to limited electrochemical performances. Herein, we propose a surfactant-assisted molding strategy to regulate the pore-forming process in NVP/C composite cathode materials. More precisely, the forming process of the pores in NVP could be easily controlled by utilizing the huge difference in critical micelle concentration of a surfactant (cetyltrimethylammonium bromide, CTAB) in water and ethanol. By reasonably modulating the ratio of water and ethanol in the solution, the as-synthesized NVP/C sample exhibited a three-dimensional interconnected structure with hierarchical micro/meso/macro-pores. Benefiting from these hierarchical porous structures in NVP/C, the structural stability, contact surface with the electrolyte, and electronic/ionic conductivity were improved simultaneously; whereby the optimized porous NVP/C sample exhibited an excellent high-rate performance (61.3 mA h g−1 at 10 C) and superior cycling stability (90.2% capacity retention after 500 cycles at 10 C).
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
·
2018
·
IF 5.091
Xuemei Li,Shijian Wang,Xiao Tang,Rui Zang,Peng Li,Pengxin Li,Zengming Man,Cong Li,Shuaishuai Liu,Yuhan Wu,Guoxiu Wang
Sodium super-ionic conductor (NASICON) structured Na 3 V 2 (PO 4 ) 3 (NVP), a promising cathode material for sodium-ion batteries (SIBs), benefits by its unique three-dimensional (3D) channel structure. However, the inherent characteristics of NVP (such as low electrical conductivity) usually lead to inferior rate and long-cycling performance, which miss the requirements of practical application in electrical energy storage systems (ESSs). Herein, we propose the synthesis of porous high-crystalline Na 3 V 2 (PO 4 ) 3 /C nanoplates (NVP/C-P) via hydrothermal method and post-calcination. The porous nanoplate structure provides increased specific surface area and shortened diffusion pathway for ion/electron transport. Consequently, NVP/C-P cathodes exhibit a high specific capacity (117 mAh g −1 , 0.2 C), exceptional rate performance (76.5 mAh g −1 , 100 C) and long cyclic stability (10,000 cycles).
研究领域:
材料科学
·
能源存储
✓ 已验证
DOI
PubMed
高影响因子
Materials Today Chemistry
·
2023
·
IF 7.3
Z. Sun,M. Liu,R. Khan,L. Huang,Y. Wu,Y. Zhou
High-performance electrodes based on the conversion or alloying mechanisms have attracted much attention owing to their high theoretical capacity, but the development of fast charging conversion or alloying type electrodes by simple methods remains a great challenge. Herein, a new type of strained bismuth selenide material (s-Bi 2 Se 3 ) was obtained through post heat treatment process. Due to its unique structural advantages including large interlayer spacing and narrow band gap, ion diffusion and electron transfer accelerated significantly. Meanwhile, the lattice strain in materials is thermodynamically favorable for the redox reaction to proceed. The as prepared s-Bi 2 Se 3 exhibits ultrafast electrochemical reaction kinetics when it is used as an anode for sodium-ion batteries (SIBs) and retained a high reversible specific capacity of 332.7 mAh/g even at the ultrahigh current density of 30 A/g after 1000 cycles. Especially, the Na-ion full cell was assembled with a cathode of Na 3 V 2 (PO 4 ) 3 @C, showing excellent electrochemical performance (176.2 Wh/kg at 0.2 A/g and 99.7 Wh/kg at 1662.4 W/kg). In addition, the high-performance mechanism was explored through electrochemical tests and characterizations, which provided an important theoretical basis for the application of SIBs.
研究领域:
材料科学
·
电化学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF ALLOYS AND COMPOUNDS
·
2021
·
IF 5.316
Cheng Cheng,Xiaoxian Zang,Wenxiu Hou,Changcong Li,Qing Huang,Xiangang Hu,Chencheng Sun,Yu Zhang,Jun Yang,Fuyuan Ma
The NASICON (Sodium super ion conductor)-type of Na 3 V 2 (PO 4 ) (NVP) has a great potential for energy storage application due to its high voltage plateau, three-dimensional (3D) ionic diffusion channel, perfect thermal stability, and high structural robustness. Here, Na 3 V 2 (PO 4 )-based composites with 3D porous carbon skeleton structure were synthesized via hydrothermal methods . After a series of hydrolysis and polymerization processes, transparent colloid mainly containing (NH 4 ) 4 Na 2 V 10 O 28 phase was formed. The 3D porous hydrogel with the (NH 4 ) 4 Na 2 [V 10 O 28 ]·10H 2 O phase was produced by adjusting the reaction time. The product has a lamellar structure , and its ion is suitable to grow the nanosheets , and the present PO 4 3- groups may be distributed in the (NH 4 ) 4 Na 2 [V 10 O 28 ]·10H 2 O phase of the interlayer structure, leading to the enhanced electronic conductivity . The 3D porous Na 3 V 2 (PO 4 )/C (NVP/C) with the size of 100–200 nm particles can be used as cathode for sodium ion batteries . The NVP/C delivers a specific capacity of 62.1 mAh g −1 at 10 C. The excellent stability of NVP/C can be obtained with 98% capacity retention after 140 cycles at 1 C. After 2000 cycles (5 C), the capacity is still 80.4 mAh g −1 , with the capacity retention of about 86%. Our encouraging results may boost further studies of SIBs device by smart engineering of the electrode materials.
✓ 已验证
DOI
高影响因子
International Journal of Electrochemical Science
·
2023
·Vol. 14
·期 3
·2815-2821
·
IF 1.5
Xiang Ding,Xiaobing Huang,Shibiao Zhou,Anguo Xiao,Yuandao Chen,Chenggang Zuo,Junling Jin
Na 3 V 2 (PO 4 ) 3 (NVP) is a potential cathode material for sodium ion batteries (SIBs) due to its stable three-dimensional NASICON structure and high theoretical energy density. In this paper, the carbon-coated Na 3 V 2 (PO 4 ) 3 (NVP/C) cathode materials using pitch as carbon source were synthesized by a simple solid-state reaction method combined with microwave calcinations. The electrode performance of as-prepared NVP/C materials were investigated and the results demonstrated that the NVP/C composite with 13.1 wt.% carbon shows the best electrochemical properties. It possesses a high initial discharge capacity of 108.2 mAh g -1 , 90.5 mAh g -1 at 0.2 C and 10 C. After 1000 cycles at the rate of 10 C, the discharge capacity remained almost unchanged, with no capacity fading.
研究领域:
材料科学
·
电化学
·
储能技术
·
电池技术
✓ 已验证
DOI
高影响因子
NEW JOURNAL OF CHEMISTRY
·
2020
·Vol. 45
·期 2
·906-914
·
IF 3.288
Hong-bo Huang,Cai-ling Liu,Yue Yang,Shao-hua Luo
A series of lanthanum-doped Na3V2−xLax(PO4)3/C (0 ≤ x ≤ 0.03) composites have been fabricated via a simple sol–gel approach. The influences of La3+ substitution on the structure, morphology and electrochemical properties are systematically studied. Rietveld refinement is applied to explore the actual substitution site of La, which proves that La3+ ions successfully occupy the octahedral V sites. It is suggested that appropriate La doping will reduce the particle size and enhance the reversible capacity and rate capability. Among all the samples, the as-prepared Na3V1.99La0.01(PO4)3/C compound shows the highest electrochemical capability. It delivers a high initial specific capacity of 111.3 mA h g−1 at 0.2C and maintains a capacity of 108.1 mA h g−1 over 100 cycles, exhibiting much better electrochemical performance than the original Na3V2(PO4)3/C. In addition, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) experiments suggest that low-level La doping can greatly decrease the polarization and increase electrical conductivity with fast reaction kinetics and a higher Na+ diffusion coefficient. The study presented here will provide considerable insights into rare earth element-doping tactics, which will facilitate the commercialization of sodium-ion batteries.
研究领域:
材料科学
·
电化学
✓ 已验证
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2017
·
IF 7.504
Lei Chen,Yanming Zhao,Shenghong Liu,Long Zhao
Although the NASICON-type of Na3V2(PO4)3 is regarded as a potential cathode candidate for advanced sodium-ion batteries (SIBs), it has an undesirable rate performance and low cyclability, which are a result of its poor electronic conductivity. Here, we utilized conductive polyaniline (PANI) grown in situ to obtain the hard carbon-coated porous Na3V2(PO4)3@C composite (NVP@C@HC) with a typically simple and effective sol–gel process. Based on the restriction of double carbon layers, the NVP size decreases distinctly, which can curtail the sodium-ion diffusion distance and enhance the electronic conductivity. As expected, the product displays good discharge capacity (111.6 mA h g–1 at 1 C), outstanding rate capacity (60.4 mA h g–1 at 50 C), and remarkable cycling stability (63.3 mA h g–1 with a retention of 83.3% at 40 C over 3000 cycles). Also, it performs a long-term cycling capacity of 58.5 mA h g–1 exceeding 15 000 cycles at 20 C (with a capacity loss of 0.24% per cycle).
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Materials Chemistry A
·
2015
·Vol. 4
·期 4
·1180-1185
·
IF 7.443
Junqi Fang,Suqing Wang,Zhitong Li,Hongbin Chen,Lu Xia,Liangxin Ding,Haihui Wang
Porous Na3V2(PO4)3@C nanocomposites enwrapped in a 3D graphene network were prepared using a simple freeze-drying-assisted thermal treatment method. The carbon layer and 3D graphene network provide not only a 3D conductive network but also a double restriction on the aggregation of Na3V2(PO4)3 particles that have a high crystallinity under high temperature treatment. Due to the high electrochemical activity of the highly crystalline Na3V2(PO4)3 nanoparticles and 3D conductive network, the novel NVP@C/G material displays a superior rate capability (76 mA h g−1 at 60C) and ultra-long cyclability (82% capacity retention for 1500 cycles at 40C) when used in sodium-ion batteries.
研究领域:
材料科学
·
能源存储
✓ 已验证
产品关联
DOI
高影响因子
CHEMISTRY-A EUROPEAN JOURNAL
·
2017
·Vol. 23
·期 66
·16898-16905
·
IF 5.317
Jing Zeng,Yang Yang,Shaobo Lai,Jianxing Huang,Yiyong Zhang,Jing Wang,Jinbao Zhao
Graphical Cathode for magnesium-ion batteries : An electrochemically desodiated phase NaV 2 (PO 4 ) 3 /C has been developed as a high-voltage cathode material (ca. 2.5 V vs. Mg 2+ /Mg) for rechargeable magnesium batteries, offering good cycle performance. The electrochemical reaction involves an intercalation mechanism and shows good reversibility. The lack of suitable high-voltage cathode materials has hindered the development of rechargeable magnesium batteries (RMBs). Here, mesoporous Na 3 V 2 (PO 4 ) 3 /C (NVP/C) spheres have been synthesized through a facile spray-drying–annealing method, and their electrochemically desodiated phase NaV 2 (PO 4 ) 3 /C (ED-NVP/C) has been investigated as an intercalation host for Mg 2+ ions. The obtained ED-NVP/C exhibits an average discharge voltage of around 2.5 V (vs. Mg 2+ /Mg), higher than those of most previously reported cathode materials. In addition, it can deliver an initial discharge capacity of 88.8 mA h g −1 at 20 mA g −1 , with good cycling stability. Ex situ X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) results demonstrate that the electrochemical reaction is based on an intercalation mechanism and shows good reversibility. Galvanostatic intermittent titration technique (GITT) data have revealed that the intercalation process involves a two-phase transition. The reported ED-NVP/C cathode material with high working voltage offers promising potential for application in RMBs.
研究领域:
材料科学
·
电化学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）